Google Chromecast has hardcoded Google DNS servers and offers no way to change them. In order for Chromecast to use our DNS servers, its DNS lookups need to be rerouted to Borderless Internet servers at the router level. Since most routers don't have this functionality, the most common way Chromecast will work with Borderless Internet is with a router that supports static routes or other methods to block or redirect to and from Google DNS servers. Chromecast is NOT SUPPORTED in any other way until further notice. Thanks!
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